From 35c6975270f10499ebbad2546a86a74aaf5c42a2 Mon Sep 17 00:00:00 2001
From: Raphael Michel <michel@rami.io>
Date: Tue, 18 May 2021 12:14:22 +0200
Subject: [PATCH] Cart Manager: Fix counting of bundled items

---
 src/pretix/base/services/cart.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/pretix/base/services/cart.py b/src/pretix/base/services/cart.py
index e405e22f47..75d69c26b3 100644
--- a/src/pretix/base/services/cart.py
+++ b/src/pretix/base/services/cart.py
@@ -842,8 +842,12 @@ class CartManager:
         for op in self._operations:
             if isinstance(op, self.AddOperation):
                 items[op.item] += op.count
+                for bo in op.bundled:
+                    items[bo.item] += bo.count
             elif isinstance(op, self.RemoveOperation):
                 items[op.position.item] -= 1
+                for a in op.position.addons.all():
+                    items[a.item] -= 1
 
         err = None
         for item, count in items.items():